65405080063 has 2 divisors, whose sum is σ = 65405080064. Its totient is φ = 65405080062.

The previous prime is 65405080057. The next prime is 65405080121. The reversal of 65405080063 is 36008050456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65405080063 - 2¹⁷ = 65404948991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65405080043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32702540031 + 32702540032.

It is an arithmetic number, because the mean of its divisors is an integer number (32702540032).

Almost surely, 2^65405080063 is an apocalyptic number.

65405080063 is a deficient number, since it is larger than the sum of its proper divisors (1).

65405080063 is an equidigital number, since it uses as much as digits as its factorization.

65405080063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 65405080063 in words is "sixty-five billion, four hundred five million, eighty thousand, sixty-three".